The smartest label around. High-Performance Liquid Chromatography Grade
Δ-QQft M"5J570
CHaCN F.W. 41.05 Certificate of Actual Lot Analysis Full spectral curve for this lot available on request. Color (APHA) 5 Optical Absorbance at 254nm 0.01 220nm 0.05 200nm 0.20 Fluorescence Background (less than 1 /xg/titer Quinine Sulfate) P.T. Refractive Index® 25°C (traceable to NBS) 1.3410 Acidity (as CHaCOOH) 0.01% Alkalinity (as NH3) 0.0002% Residue after Evaporation 0.001% % Water (H2O) 0.1% Assay (as CH3CN) 99.9%
33 L M Qa|\ CERTIFIED
HPLC-GRADE
Acetonitrile LOT ,~7 /y(J I D /
FISHER SCIENTIFIC COMPANY For laboratory and
Contains no preservatives. FILTERED THROUGH 0.5 MICRON FILTER
manufacturing use %&£SS8£*-
WARNING!
CLASS IB
FLASHPOINT 55°F HARMFUL IF INHALED OR ABSORBED THROUGH SKIN
UV cutoff — 190nm
7 n n
FLAMMABLE Made in U.S.A.
Chemical Manufacturing Division Fair Lawn, New Jersey 07410 Avoid breathing vapor Keep away from heat, sparks, or open flame. Use with adequate ventilation Keep container closed Avoid contact with eyes, skin or clothing FIRST AID In case of contact immediately flush eyes or skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes Wash clothing before reuse. Discard contaminated shoes. Call a physician.
Fisher Certified HPLC Solvents. The label that tells you everything you want to know. Optical absorbance at a variety of wavelengths (full spectral curves on request). Refractive index directly traceable to NBS. Background fluorescence. U V cutoff. Assay as mol % via GC. Water and preservative /inhibitor content. And much more. Fisher HPLC solvents — so pure you can use them for gradient elutions. They're distilled in glass. And submicron-filtered to eliminate particulates. After all, today's high-performance liquid chromatography columns, detectors and samples are valuable things. They deserve the best. That's why Fisher defines and certifies every parameter vital to their protection. In stock at your nearest Fisher branch. Or have your branch set up a Customer Reserve Quantity arrangement, reserving your HPLC solvents needs for you alone, shipping automatically to your timetable. You can even reserve an entire lot, guaranteeing total uniformity month in, month out. And remember: Fisher also stocks an impressive selection of auxiliary HPLC materials. Apparatus, appliances, supplies. This simplifies your ordering — and your laboratory life. Write for HPLC catalog today! ^
Fisher Scientific Company 711 Forbes Avenue Pittsburgh PA 15219
20
C&EN May 28, 1979
CIRCLE 1 1 ON READER SERVICE CARD
